<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addUserVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-table border stripe :data="userList" style="width:100%">
        <el-table-column type="index" width="50"></el-table-column>
        <el-table-column prop="username" label="姓名" width="180"></el-table-column>
        <el-table-column prop="email" label="邮箱" width="180"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scoped">
            <!-- {{scoped.row.mg_state}} -->
            <el-switch v-model="scoped.row.mg_state" @change="userStateChange(scoped.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template v-slot="scoped">
            <!-- {{scoped.row.mg_state}} -->
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="getUserInfoById(scoped.row.id)"
            ></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="delUserById(scoped.row.id)"
            ></el-button>
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top">
              <el-button
                size="mini"
                type="warning"
                icon="el-icon-setting"
                @click="shoeSetRoleDialog(secped.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 4, 8]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addUserVisible" width="50%" @close="addFormClose">
        <!-- 添加用户表单 -->
        <el-form ref="addFormRef" :rules="addFormRules" :model="addForm" label-width="80px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>

        <span slot="footer" class="dialog-footer">
          <el-button @click="addUserVisible=false">取 消</el-button>
          <el-button type="primary" @click="addUserForm">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户对话框 -->
      <el-dialog title="修改用户" :visible.sync="editUserVisible" width="50%" @close="editFormClose">
        <!-- 修改用户表单 -->
        <el-form ref="editFormRef" :rules="addFormRules" :model="editForm" label-width="80px">
          <el-form-item label="用户名" prop="‘username">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editUserVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserForm">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 分配角色对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleVisible" width="50%" @close="RoleDialogCloses">
        <div>
          <p>当前的用户： {{ userInfo.username }}</p>
          <p>当前的角色： {{ userInfo.role_name }}</p>
          <p>
            分配新角色：
            <!-- 下来菜单组件 -->
            <el-select v-model="value" placeholder="请选择">
              <el-option
                v-for="item in roleList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id"
              ></el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleVisible = false">取 消</el-button>
          <el-button type="primary" @click="setRole">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    // 定义手机号 邮箱与检验
    var checkEmail = (rule, value, callback) => {
      return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/.test(value)
        ? callback()
        : callback(new Error("请输入合法的邮箱"));
    };
    var checkMobile = (rule, value, callback) => {
      return /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/.test(
        value
      )
        ? callback()
        : callback(new Error("请输入合法的手机号"));
    };

    return {
      // get请求用户列表的查询参数
      queryInfo: {
        // 获取用户列表数据
        query: "",
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少页数
        pagesize: 2,
      },
      //   用户列表
      userList: [],

      // 总数
      total: 0,
      // 控制用户对话框的布尔值
      addUserVisible: false,
      // 控制修改用户对话框的布尔值
      editUserVisible: false,
      // 分配角色对话框的布尔值
      setRoleVisible: false,
      userInfo: {},
      // 角色列表
      roleList: [],
      // 下拉列表双向绑定的值
      value: "",
      // // 已选中的角色id
      // selectRoleId: [],
      // 添加用户对象
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 修改用户对象
      editForm: {},
      // 添加用户校验规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度3到10个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度6到15个字符", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
    };
  },
  // 添加校验规则

  methods: {
    // 获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      // console.log(res);
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败!");
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    // 修改每页显示多少条  pagesize发生变化触发的函数
    handleSizeChange(newVal) {
      this.queryInfo.pagesize = newVal;
      // 重新发送请求
      this.getUserList()
    },
    // pagenum发生变化触发的函数
    handleCurrentChange(newVal) {
      this.queryInfo.pagenum = newVal;
      // 重新发生请求
      this.getUserList();
    },
    // 修改用户状态
    async userStateChange(info) {
      const { data: res } = await this.$http.put(
        `users/${info.id}/state/${info.mg_state}`
      );
      // console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败!");
      }
      this.$message.success("更改状态成功");
    },
    // 关闭添加用户的对话框重置表单
    addFormClose() {
      this.$refs.addFormRef.resetFields();
    },
    // 添加用户
    addUserForm() {
      this.$refs.addFormRef.validate(async (boo) => {
        // 预校验
        if (!boo) return this.$message.error("填写完整信息");
        // 发送请求
        const { data: res } = await this.$http.post("users", this.addForm);
        // console.log(res);
        if (res.meta.status !== 201) {
          return this.$message.error("添加失败");
        }
        this.$message.success("添加用户成功");
        // 重新加载数据
        this.getUserList();
        // 关闭对话框
        this.addUserVisible = false;
      });
    },
    // 修改用户
    editFormClose() {
      this.$refs.editFormRef.resetFields();
    },
    // 根据id去查询用户信息
    async getUserInfoById(id) {
      // 打开对话框
      this.editUserVisible = true;
      const { data: res } = await this.$http.get(`users/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户信息失败");
      }
      this.editForm = res.data;
    },
    // 提交修改用户信息
    editUserForm() {
      //1. 预校验
      this.$refs.editFormRef.validate(async (boo) => {
        if (!boo) {
          return this.$message.error("请输入合法信息");
        }
        // 2.发送请求
        const { data: res } = await this.$http.put(
          `users/${this.editForm.id}`,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("跟新用户信息失败");
        }
        this.$message.success("更新用户信息成功");
        // 3.关闭对话框
        this.editUserVisible = false;
        // 重新渲染页面
        this.getUserList();
      });
    },
    // 删除用户
    async delUserById(id) {
      const res = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      // confirm表示点击的是确认按钮
      // cancel表示点击是取消按钮
      if (res != "confirm") {
        return this.$message.info("已删除");
      }
      // 发送删除请求
      const { data: result } = await this.$http.delete("users/" + id);
      if (result.meta.status !== 200) {
        return this.$message.error("删除失败，稍后尝试");
      }
      this.$message.success("删除成功");
      // 重新加载
      this.getUserList();
    },
 
  async showSetRoleDialog(role) {
    // console.log(role);
    const { data: res } = await this.$http.get("roles");
    console.log(res);
    if (res.meta.status !== 200) {
      this.$message.error("获取角色列表失败");
    }
    this.roleList = res.data;
    // 将传递过来的数据储存在data
    this.userInfo = role;
    this.setRoleVisible = true;
  },
  // 关闭分配角色对话框 将表单清空
  RoleDialogCloses() {
    this.value = "";
  },
  // 分配角色发送请求
  async setRole() {
    if (!this.value) {
      return this.$message.error("请选择要分配的角色");
    }
    // 发送请求
    const { data: res } = await this.$http.put(
      `users/${this.userInfo.id}/role`,
      { rid: this.value }
    );
    console.log(res);
    // 提示用户
    if (res.meta.status !== 200) {
      return this.$message.error("分配角色失败");
    }
    // 刷新页面
    this.getUserList();
    // 关闭对话框
    this.setRoleVisible = false;
  },
},
  created() {
    // 调用获取用户列表的方法
    this.getUserList();


}
}
</script>

<style lang="less" scope></style>
